CIDR Prefix: /6
Usable Host Range for /6 Subnet
Broad ISP allocation block for regional internet distribution. Pre-calculated routing boundaries, binary mapping mask, cloud provider allocation metrics, and copy-ready Terraform snippets.
100% Free & Secure Client-Side Sandbox
Interactive /6 Subnet Workspace
Pre-loaded Seed: 4.0.0.0/6Instantly ingest standardized industrial address space assignments from cloud reference blueprints.
Pre-Computed /6 Subnet Technical Specifications
Verified 32-bit Bitwise Calculation MatrixSubnet Mask (Dotted Decimal)252.0.0.0
Usable Host Capacity67,108,862 IPs
Cloud Reserved IPs (AWS)5 IPs
Default Range Seed4.0.0.0/6
| Binary Mask Blueprint | 11111100.00000000.00000000.00000000 |
|---|---|
| CIDR Notation | /6 |
| Netmask Address | 252.0.0.0 |
| Total Host Addresses | 67,108,864 |
| Usable Hosts (Standard IPv4) | 67,108,862 usable IPs |
| Cloud Net Capacity (AWS / GCP) | 67,108,859 usable IPs(AWS reserves 5 addresses: Network, VPC Router, DNS, Reserved, Broadcast) |
| Primary Architectural Use Case | Broad ISP allocation block for regional internet distribution. |
Terraform IaC Configuration Block (/6)
Copy-ready infrastructure code# AWS VPC maximum allowed CIDR block size is /16.
# /6 CIDR blocks are used for supernet route table aggregation.
resource "aws_route" "supernet_6" {
route_table_id = aws_route_table.core.id
destination_cidr_block = "4.0.0.0/6"
transit_gateway_id = aws_ec2_transit_gateway.main.id
}Related CIDR Subnet Specifications
← Larger Network (Double Host Capacity)/5 Subnet (134,217,726 Usable Hosts)
Regional cloud provider backbone allocation supernet.
Smaller Network (Half Host Capacity) →/7 Subnet (33,554,430 Usable Hosts)
Aggregate supernet for major global transit networks.